Bankrate on MSN

Rule of 72: What it is and how to use it

Here’s how the Rule of 72 works: Divide 72 by your expected annual interest rate (as a percentage, not a decimal). The answer is roughly the number of years it will take for your money to double. For ...

Long-term review: I used Beats Powerbeats Pro 2 earbuds for 6 months

Mashable reviewer Alex Bracetti spent six months testing the Beats Powerbeats Pro 2 sports earbuds to find out if they're as ...